Skin treatment apparatus



1. Skin treatment apparatus

FIG. 1.1 is a perspective view of a skin treatment apparatus;

FIG. 1.2 is a front view thereof;

FIG. 1.3 is a back view thereof;

FIG. 1.4 is a side view thereof;

FIG. 1.5 is another side view thereof;

FIG. 1.6 is a top view thereof; and

FIG. 1.7 is a bottom view thereof.

The broken lines indicate portions of the skin treatment apparatus that form no part of the claimed design. 

CLAIM The ornamental design for a skin treatment apparatus, as shown and described. 